Computer graphics processing and selective visual display system – Display peripheral interface input device – Cursor mark position control device
Patent
1994-10-17
1996-07-30
Saras, Steven
Computer graphics processing and selective visual display system
Display peripheral interface input device
Cursor mark position control device
345166, 250238, C09G 100
Patent
active
055416233
ABSTRACT:
A temperature compensated opto-electronic circuit structure including a emitter connected to one input of a comparator to provide a reference signal. A detector signal is applied to another input terminal of a comparator, and the output of the comparator is determined by a difference between the reference signal and the detector signal. As the temperature of the opto-electronic circuit increases and decreases, the reference signal is automatically adjusted due to the temperature-related forward voltage changes of the emitter.
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Joseph J. Carr, How to Design and Build Electronic Instrumentation, 2nd Edition, 1986, pp. 143-147, 289-291.
Alps Electric (U.S.A.) Inc.
Bever Patrick T.
Saras Steven
Shoup Guy W.
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